The main function of the hydraulic oil filter is to filter out the impurities in the hydraulic oil. The common types of filter elements are hydraulic oil filter, Hedeck filter, Pall filter, dust filter and so on. Let us understand the working principle of a jade hydraulic oil filter.
The main function of the jade hydraulic oil filter is to filter the hydraulic fluid, and various impurities are inevitable in the hydraulic system. The main sources are: mechanical impurities remaining in the hydraulic system after cleaning, such as rust, cast sand, welding slag, iron filings, paint, paint and cotton yarn, etc., external impurities entering the hydraulic system, such as through the fuel filler and Dust entering the dust-proof ring; impurities generated during the working process, such as debris formed by the hydraulic action of the seal, metal powder generated by relative wear and movement, colloid, asphaltene, carbon residue, etc. . After the above impurities are mixed into the hydraulic oil, with the circulation of the hydraulic oil, the damage will be everywhere, which seriously affects the normal operation of the hydraulic system, such as making a small gap (measured) between the relatively moving parts of the hydraulic components and throttling. Small holes and gaps are stuck or blocked; the oil film between the moving parts is destroyed, the gap surface is scratched, the internal leakage is increased, the efficiency is lowered, the heat is increased, the chemical action of the oil is aggravated, and the oil is deteriorated. According to the production statistics, more than 75% of the faults in the hydraulic system are caused by the mixing of impurities in the hydraulic oil. Therefore, it is very important for the hydraulic system to maintain the cleanness of the oil and prevent the contamination of the oil.
Jade filter cores are divided into four types: paper, mesh and wire gap. The chemical fiber type has better filtering effect than the paper type, and the precision is high. It is difficult to clean the chemical fiber type and the paper type filter element after clogging, so the filter element must be replaced. The oil return filter is equipped with a differential pressure signaling device. When the filter element is caused by contamination and the pressure difference between the inlet and outlet ports reaches 0.35 MPa, a switching signal is issued, and the filter element should be cleaned or replaced at this time. The filter element adopts a new chemical fiber filter material, which has the advantages of high filtration precision, large oil passage capacity, less original pressure loss, large amount of dirt absorption, etc. The filtration precision is calibrated with absolute filtration precision, and the filtration ratio is p3, 5, 10, 20 >100, filtration efficiency n≥99%, in line with ISO standards.
Gu'an County Zhengboyuan Filter Factory: http://
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